errorCaptured reverse behavior

[sumerokr]

Version

3.0.0

Reproduction link

https://codesandbox.io/s/errorcaptured-reverse-behavior-soji9?file=/src/App.vue

Steps to reproduce

• throw error from Child component
• catch error in Parent component via errorCaptured hook
• return false as per documentation to prevent error propagation

What is expected?

Error is not propagated

What is actually happening?

Error propagated to window

[sumerokr]

Interesting. Changing the return value from false to true makes the thing work.
And this is exactly the opposite of what documentation says (and how Vue 2 works).

[LinusBorg]

See here:

https://github.com/vuejs/vue-next/blob/5d825f318f1c3467dd530e43b09040d9f8793cce/packages/runtime-core/src/errorHandling.ts#L116